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Visitor daletxy
Visitor
305 Views
Registered: ‎07-19-2018

cannot mount some sdcard after boot

we're using zu4cg board for development.  Usually we use Kingston 8GB sd card, it works well.  After boot linux, we can mount sdcard using command: mount /dev/mmcblk0p1 /mnt

But for some other brand sd card, boot is okay, but we cannot find /dev/mmcblk0p1, so cannot mount sdcard.

Could anyone help us? Below listed some logs, Thanks!

 

Failed to mount sdcard log:

 

I2C: ready
DRAM: 1 GiB
EL Level: EL2
Chip ID: zu4cg
MMC: sdhci@ff170000: 0 (SD)
SF: Detected s25fs512s with page size 1 KiB, erase size 256 KiB, total 128 MiB
*** Warning - bad CRC, using default environment

In: serial@ff000000
Out: serial@ff000000
Err: serial@ff000000
Board: Xilinx ZynqMP
Bootmode: SD_MODE1
U-BOOT for zu4cg_2ktx_v2_181009

Hit any key to stop autoboot: 0
Device: sdhci@ff170000
Manufacturer ID: 27
OEM: 5048
Name: SD08G
Tran Speed: 50000000
Rd Block Len: 512
SD version 3.0
High Capacity: Yes
Capacity: 7.4 GiB
Bus Width: 4-bit
Erase Group Size: 512 Bytes
reading image.ub

...

[ 1.801233] sdhci: Secure Digital Host Controller Interface driver
[ 1.801242] sdhci: Copyright(c) Pierre Ossman
[ 1.801250] sdhci-pltfm: SDHCI platform and OF driver helper
[ 1.844613] mmc0: SDHCI controller on ff170000.sdhci [ff170000.sdhci] using ADMA 64-bit

...

[ 1.857872] Btrfs loaded, crc32c=crc32c-generic
[ 1.864212] ff000000.serial: ttyPS0 at MMIO 0xff000000 (irq = 43, base_baud = 6249999) is a xuartps
[ 2.051515] mmc0: error -84 whilst initialising SD card
[ 3.475360] console [ttyPS0] enabled
[ 3.479338] ff010000.serial: ttyPS1 at MMIO 0xff010000 (irq = 44, base_baud = 6249999) is a xuartps

 

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